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Finding the Fourth Proportional to 395,237.42, 592,671.54 and 142,484.61

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Solution

The fourth proportional to 395,237.42, 592,671.54 and 142,484.61 is: 213,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,237.42 : 592,671.54 = 142,484.61 : x
  2. Step 2: Convert to fraction form
    395,237.42/592,671.54 = 142,484.61/x
  3. Step 3: Cross multiply
    395,237.42x = 592,671.54 × 142,484.61
  4. Step 4: Simplify right side
    395,237.42x = 84,446,573,235.00
  5. Step 5: Solve for x
    x = 84,446,573,235.00/395,237.42
  6. Step 6: Final answer
    x = 213,660.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.